The molecular clock is a scientific technique which presents a means of estimating evolutionary rates and timescales using genetic data. It uses mutation rate of biomolecules when two or more life forms diverged to estimate the time. Answer is B.
Answer:
When a leaf is placed in a solution whose salt concentration is higher than the salt concentration of the leaves, the water with in the leaves shall move out of the leaves due to the osmotic pressure gradient. This will cause the plant cell devoid of water thereby leading them to shrink and wilt.
Explanation:
Answer:
Skin is the human body's largest organ.
Explanation:
Body organs aren't all internal like the brain or the heart. There's one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.
Whats the experiment? there's no experiment here